//
//  UIButton+Extension.swift
//  weibo1
//
//  Created by apple on 15/11/4.
//  Copyright © 2015年 apple. All rights reserved.
//

import UIKit

extension UIButton {
    
    /// `便利`构造函数
    convenience init(imageName: String, backImageName: String) {
        self.init()
        
        setImage(UIImage(named: imageName), forState: UIControlState.Normal)
        setImage(UIImage(named: imageName + "_highlighted"), forState: UIControlState.Highlighted)
        setBackgroundImage(UIImage(named: backImageName), forState: UIControlState.Normal)
        setBackgroundImage(UIImage(named: backImageName + "_highlighted"), forState: UIControlState.Highlighted)
        
        // 会根据背景图片的大小调整尺寸
        sizeToFit()
    }
    /// `便利`构造函数
    ///
    /// - parameter title:     title
    /// - parameter color:     color
    /// - parameter imageName: imageName
    ///
    /// - returns: UIButton
    convenience init(title:String, color:UIColor,imageName:String){
    self.init()
    
   setTitle(title, forState: UIControlState.Normal)
   setTitleColor(color, forState: UIControlState.Normal)
    
   setBackgroundImage(UIImage(named: imageName), forState: UIControlState.Normal)
    
   
    
    }}
